Mobile Sempron SI-42 vs Atom x5-Z8550
Aggregate performance score
Atom x5-Z8550 outperforms Mobile Sempron SI-42 by a whopping 243% based on our aggregate benchmark results.
Primary details
Comparing Atom x5-Z8550 and Mobile Sempron SI-42 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2705 | 3220 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 5x Intel Atom | AMD Mobile Sempron |
| Power efficiency | no data | 0.79 |
| Architecture codename | Cherry Trail (2015−2016) | Sable (2008−2009) |
| Release date | 8 February 2016 (8 years ago) | 1 September 2009 (15 years ago) |
Detailed specifications
Atom x5-Z8550 and Mobile Sempron SI-42 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 1.44 GHz | no data |
| Boost clock speed | 2.4 GHz | 2.1 GHz |
| Bus rate | no data | 1800 MHz |
| L1 cache | no data | 128 KB |
| L2 cache | 2 MB | 512 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 14 nm | 65 nm |
| Maximum core temperature | 90 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom x5-Z8550 and Mobile Sempron SI-42 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | no data |
| Socket | UTFCBGA1380 | S1g2 |
| Power consumption (TDP) | no data | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x5-Z8550 and Mobile Sempron SI-42. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 65 nm, 1.075 - 1.125 |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Max 3.0 | - | no data |
Security technologies
Atom x5-Z8550 and Mobile Sempron SI-42 technologies aimed at improving security, for example, by protecting against hacks.
| Secure Boot | + | no data |
| Identity Protection | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x5-Z8550 and Mobile Sempron SI-42 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8550 and Mobile Sempron SI-42. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 8 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 400 (Braswell) (200 - 600 MHz) | no data |
| Max video memory | 8 GB | no data |
| Graphics max frequency | 600 MHz | no data |
| Execution Units | 12 | no data |
Graphics interfaces
Available interfaces and connections of Atom x5-Z8550 and Mobile Sempron SI-42 integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Atom x5-Z8550 and Mobile Sempron SI-42 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 3840x2160 | no data |
| Max resolution over eDP | 2560x1600 | no data |
Peripherals
Specifications and connection of peripherals supported by Atom x5-Z8550 and Mobile Sempron SI-42.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 2 | no data |
| USB revision | 3.0 | no data |
| Number of USB ports | 3 | no data |
Pros & cons summary
| Performance score | 0.72 | 0.21 |
| Recency | 8 February 2016 | 1 September 2009 |
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 14 nm | 65 nm |
Atom x5-Z8550 has a 242.9% higher aggregate performance score, an age advantage of 6 years, 300% more physical cores and 300% more threads, and a 364.3% more advanced lithography process.
The Atom x5-Z8550 is our recommended choice as it beats the Mobile Sempron SI-42 in performance tests.
Should you still have questions on choice between Atom x5-Z8550 and Mobile Sempron SI-42, ask them in Comments section, and we shall answer.
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